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journal: catch err, add sliceifyKnown

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Luna 2019-08-11 11:17:13 -03:00
parent 6b78bb16d8
commit f3b8196ac5
2 changed files with 12 additions and 4 deletions
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2
build.zig
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@ -9,7 +9,7 @@ pub fn build(b: *Builder) void {
const source_files = [_][]const u8{"src/journal/main.c"};
for (source_files) |source| {
exe.addCSourceFile(source, [_][]const u8{"-W -O"});
exe.addCSourceFile(source, [_][]const u8{"-Wall"});
}
const zig_sources = [_][]const u8{"src/journal/journal.zig"};

14
src/journal/journal.zig
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@ -16,6 +16,10 @@ fn sliceify(ptr: [*]u8) []u8 {
return ptr[0..c.strlen(ptr)];
}
fn sliceifyKnown(slice: []u8) []u8 {
return slice[0..c.strlen(slice.ptr)];
}
export fn journal_open(topic_cptr: ?[*]u8) os.fd_t {
const topic = sliceify(topic_cptr.?);
@ -75,19 +79,23 @@ export fn journal_write_topic(
topic_cptr: ?[*]u8,
message_cptr: ?[*]u8,
) void {
warn("zig uwu\n");
var topic = sliceify(topic_cptr.?);
var message = sliceify(message_cptr.?);
var tstamp_total = allocator.alloc(u8, 128);
var tstamp_total = allocator.alloc(u8, 128) catch |err| {
warn("failed to allocate string for timestamp\n");
return;
};
defer allocator.free(tstamp_total);
var rawtime: c.time_t = undefined;
_ = c.time(&rawtime);
var cur_time: [*c]const c.struct_tm = c.gmtime(&rawtime);
_ = c.strftime(tstamp_cstr.ptr, usize(128), c"%c", cur_time);
_ = c.strftime(tstamp_total.ptr, usize(128), c"%c", cur_time);
var tstamp = sliceify(tstamp_total);
var tstamp = sliceifyKnown(tstamp_total);
std.debug.warn("tstamp: {}\ntopic: {}\nmsg: {}\n", tstamp, topic, message);